LEADER 01971oam  2200565   450 
001 9910717162103321
005 20220210090328.0
035   $a(CKB)5470000002528594
035   $a(OCoLC)1156323793
035   $a(EXLCZ)995470000002528594
100   $a20200602d1939      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aWind-tunnel investigation of an N.A.C.A. 23021 airfoil with two arrangements of a 40-percent-chord slotted flap /$fby Frank Duschik
210  1$aWashington, [D.C.] :$cNational Advisory Committee for Aeronautics,$d1939.
215   $a1 online resource (11 pages, 11 unnumbered pages) $cillustrations
225 1 $aTechnical note / National Advisory Committee for Aeronautics ;$vNo. 728
300   $a"September 1939."
300   $aNo Federal Depository Library Program (FDLP) item number.
320   $aIncludes bibliographical references (page 10).
606   $aAerofoils
606   $aSlotted flaps (Airplanes)
606   $aWind tunnel testing
606   $aAerodynamics
606   $aAerodynamics$2fast
606   $aAerofoils$2fast
606   $aSlotted flaps (Airplanes)$2fast
606   $aWind tunnel testing$2fast
615  0$aAerofoils.
615  0$aSlotted flaps (Airplanes)
615  0$aWind tunnel testing.
615  0$aAerodynamics.
615  7$aAerodynamics.
615  7$aAerofoils.
615  7$aSlotted flaps (Airplanes)
615  7$aWind tunnel testing.
700   $aDuschik$b Frank$01393030
712 02$aUnited States.$bNational Advisory Committee for Aeronautics,
801  0$bTRAAL
801  1$bTRAAL
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910717162103321
996   $aWind-tunnel investigation of an N.A.C.A. 23021 airfoil with two arrangements of a 40-percent-chord slotted flap$93448628
997   $aUNINA